A vehicle body

Abstract

A kind of vehicle body, including roof assembly, bottom assembly and two side wall assemblies;Side wall assembly includes side wall outer plate, side wall connecting upper rib, side wall connecting lower rib, side wall middle rib and multiple side wall reinforcing ribs, side wall connecting upper rib, side wall middle rib and side wall connecting lower rib are sequentially arranged, multiple side wall reinforcing ribs are arranged between side wall connecting upper rib and side wall middle rib, which is connected to side wall connecting upper rib and side wall middle rib, multiple side wall reinforcing ribs are arranged between side wall middle rib and side wall connecting lower rib, which is connected to side wall middle rib and side wall connecting lower rib;Bottom assembly includes floor and multiple bottom beams, multiple bottom beams are arranged on the bottom surface of floor, and the two ends of bottom beam are respectively connected to the two side wall connecting lower ribs;Roof assembly includes roof outer plate and multiple roof beams, multiple roof beams are arranged on the bottom surface of roof outer plate, and the two ends of roof beam are respectively connected to the two side wall connecting upper ribs;Above all, the strength and rigidity of the vehicle body of the present application are higher.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile structure, in particular to a vehicle body. BACKGROUND

[0002] At present, the side wall, the floor and the roof of the vehicle body form a containing cavity for containing passengers and articles, and the three can provide protection for the passengers and articles in the containing cavity, wherein the side wall is a structure formed by the cavities of the outer plate and the inner plate (such as Figure 1 and Figure 2 ), and the components are connected by welding or riveting after being overlapped by the plate-shaped components. This vehicle body structure is light in weight, but low in strength and rigidity. During driving, the vehicle body may swing, resulting in unstable driving and a high possibility of damage in case of accidents. SUMMARY

[0003] The purpose of the present application is to provide a vehicle body structure to solve the technical problem of low strength and rigidity of the structure formed by the side wall, the floor and the roof in the prior art vehicle body, resulting in unstable driving and a high possibility of damage in case of accidents.

[0004] In order to achieve the above-mentioned purpose, the present application provides a vehicle body, comprising a roof assembly, a bottom assembly and two side wall assemblies, the two side wall assemblies are oppositely and spacedly arranged along the left-right direction, and the roof assembly and the bottom assembly are spacedly arranged between the two side wall assemblies from top to bottom;

[0005] The side wall assembly comprises a side wall outer plate, a side wall connecting upper rib, a side wall connecting lower rib, a side wall middle rib and a plurality of side wall reinforcing ribs, the side wall connecting upper rib, the side wall middle rib, the side wall connecting lower rib and the side wall reinforcing ribs are arranged on the side of the side wall outer plate relative to the other side wall assembly, the side wall connecting upper rib, the side wall middle rib and the side wall connecting lower rib are sequentially and spacedly arranged from top to bottom, a plurality of the side wall reinforcing ribs are spacedly arranged between the side wall connecting upper rib and the side wall middle rib along the front-rear direction, the top end and the bottom end of the side wall reinforcing rib are connected to the side wall connecting upper rib and the side wall middle rib respectively, and a plurality of the side wall reinforcing ribs are spacedly arranged between the side wall middle rib and the side wall connecting lower rib along the front-rear direction, the top end and the bottom end of the side wall reinforcing rib are connected to the side wall middle rib and the side wall connecting lower rib respectively;

[0006] The bottom assembly comprises a floor and a plurality of bottom beams, the plurality of bottom beams are spacedly arranged on the bottom surface of the floor along the front-rear direction, and the two ends of the bottom beam along the left-right direction are connected to the side wall connecting lower rib of the two side wall assemblies respectively;

[0007] The roof assembly comprises a roof outer plate and a plurality of roof beams, the plurality of roof beams are arranged on the bottom surface of the roof outer plate in the front-rear direction, and the two ends of the roof beams in the left-right direction are connected to the side wall connecting upper ribs of the two side wall assemblies respectively.

[0008] Optionally, the side wall middle rib comprises an arched middle rib plate and two overlapping middle rib plates, the arched middle rib plate is arched away from the side wall outer plate, the two overlapping middle rib plates are arranged on the two sides of the arched middle rib plate in the vertical direction respectively and connected to the arched middle rib plate, and the overlapping middle rib plates are connected to the side wall outer plate.

[0009] The side wall connecting upper rib comprises a first overlapping upper rib plate, a first extension upper rib plate, a second extension upper rib plate and a second overlapping upper rib plate connected in sequence, the side surface of the first overlapping upper rib plate is connected to the side wall outer plate, the first extension upper rib plate, the second extension upper rib plate and the side wall outer plate form a first cavity, the second overlapping upper rib plate, the side wall outer plate and the roof outer plate are overlapped and connected, the first extension upper rib plate is provided with a plurality of liquid leakage through holes arranged in the front-rear direction, the side wall connecting upper rib further comprises a plurality of upper rib reinforcing plates corresponding to the liquid leakage through holes one by one, the upper rib reinforcing plates are arranged on the side surface of the first extension upper rib plate relative to the side wall outer plate, and the upper rib reinforcing plates are arranged around the corresponding liquid leakage through holes.

[0010] The side wall connecting lower rib comprises a first vertical lower rib plate, a second vertical lower rib plate and a horizontal lower rib plate, the first vertical lower rib plate is arranged on the bottom surface of the side close to the side wall outer plate, the second vertical lower rib plate is arranged on the top surface of the side away from the side wall outer plate, and the side away from the side wall outer plate of the second vertical lower rib plate is connected to the floor.

[0011] The side wall reinforcing rib comprises a reinforcing arched plate and two reinforcing overlapping plates, the reinforcing arched plate is arched away from the side wall outer plate, the reinforcing arched plate and the side wall outer plate form a second cavity, the two reinforcing overlapping plates are arranged on the two sides of the reinforcing arched plate in the front-rear direction respectively and connected to the reinforcing arched plate, the side surfaces of the reinforcing overlapping plates are connected to the side wall outer plate, the reinforcing overlapping plates are overlapped on and connected to the arched middle rib plate and the overlapping middle rib plate, the top surface of the reinforcing overlapping plate of the upper side wall reinforcing rib is connected to the second extension upper rib plate, the second cavity of the side wall reinforcing rib is communicated with the first cavity, the bottom surface of the lower side wall reinforcing rib is connected to the top surface of the horizontal lower rib plate, and the side surface of the side wall reinforcing rib is connected to the side surface of the second vertical lower rib plate close to the side wall outer plate.

[0012] Optionally, the upper overlapping middle stiffener and the side outer panel are connected by damping glue, and the lower overlapping middle stiffener and the side outer panel are connected by welding;

[0013] The side of the first overlapping upper stiffener is connected to the side outer panel by damping glue, and the second overlapping upper stiffener, the side outer panel and the roof outer panel are connected by welding;

[0014] The top surface of the horizontal lower stiffener is welded to the bottom surface of the lower side reinforcement, and the side surface of the second vertical lower stiffener is welded to the floor;

[0015] The reinforcing overlapping plate and the side outer panel are connected by damping glue, the reinforcing overlapping plate is welded to the arch middle stiffener and the overlapping middle stiffener, the top surface of the reinforcing overlapping plate of the upper side reinforcement is welded to the second extending upper stiffener, the bottom surface of the lower side reinforcement is welded to the top surface of the horizontal lower stiffener, and the side surface of the side reinforcement is welded to the side surface of the second vertical lower stiffener close to the side outer panel.

[0016] Optionally, the side assembly further comprises a wheelhouse connecting stiffener, the wheelhouse connecting stiffener is arranged on the side surface of the side outer panel relative to another side assembly, the wheelhouse connecting stiffener is below the side middle stiffener, the top end of the wheelhouse connecting stiffener is connected to the side middle stiffener, and the wheelhouse connecting stiffener is connected to the side outer panel relative to the side surface of the side outer panel;

[0017] The side assembly further comprises a side overlapping plate, the bottom surface of the side outer panel is provided with a wheelhouse notch corresponding to the wheelhouse connecting stiffener, and the side overlapping plate is arranged along the wheelhouse notch and extends towards another side assembly;

[0018] The vehicle body further comprises two wheelhouse assemblies corresponding to the side assemblies one by one, the wheelhouse assemblies are arranged corresponding to the wheelhouse notches, and each wheelhouse assembly comprises a wheelhouse inner panel and a wheelhouse outer panel, the wheelhouse inner panel comprises a wheelhouse inner overlapping plate and a wheelhouse inner extending plate connected in sequence, the wheelhouse outer panel comprises a first wheelhouse outer overlapping plate, a first wheelhouse outer extending plate, a second wheelhouse outer extending plate and a second wheelhouse outer overlapping plate connected in sequence, the wheelhouse inner overlapping plate, the first wheelhouse outer overlapping plate and the wheelhouse connecting stiffener are overlapped and connected, the wheelhouse inner extending plate extends obliquely downward away from the side outer panel, the wheelhouse inner extending plate is connected to the floor, the first wheelhouse outer extending plate extends towards the side outer panel, the second wheelhouse outer extending plate extends downward, the second wheelhouse outer overlapping plate extends away from the side outer panel, and the bottom surface of the second wheelhouse outer overlapping plate is connected to the bottom surface of the side overlapping plate.

[0019] Optionally, the vehicle further comprises a plurality of rocker assemblies, two of the rocker assemblies are respectively arranged on two sides of the wheel housing assembly along the front-rear direction, the rocker assembly comprises a rocker inner panel and a wheel housing connecting plate, the rocker inner panel is arranged on a side of the side outer panel facing the other side assembly, the rocker inner panel and the side outer panel enclose a third cavity, the wheel housing connecting plate is arranged in the third cavity, the top of the rocker inner panel, the top of the wheel housing connecting plate, the reinforcing arch plate and the floor are overlapped and connected, the top of the rocker inner panel, the top of the wheel housing connecting plate and the bottom of the side outer panel are overlapped and connected, one side of the rocker inner panel along the front-rear direction, one side of the wheel housing connecting plate along the front-rear direction and the second wheel housing outer extension plate are overlapped and connected.

[0020] Optionally, the side assembly further comprises a B-pillar panel assembly, two side connecting upper ribs and two side connecting lower ribs, the B-pillar panel assembly is arranged on a side of the side outer panel relative to the other side assembly, the two side connecting upper ribs are respectively arranged on two sides of the top of the B-pillar panel assembly along the front-rear direction, and the two side connecting lower ribs are respectively arranged on two sides of the bottom of the B-pillar panel assembly along the front-rear direction.

[0021] The B-pillar panel assembly comprises a B-pillar inner panel and a B-pillar reinforcing plate, the B-pillar inner panel and the side outer panel enclose a fourth cavity, and the B-pillar reinforcing plate is arranged in the fourth cavity.

[0022] The B-pillar inner panel comprises a B-pillar inner main panel, two B-pillar inner upper connecting plates and two B-pillar inner lower connecting plates, the two B-pillar inner upper connecting plates are respectively arranged on two sides of the top of the B-pillar inner main panel relative to the front-rear direction, and the two B-pillar inner lower connecting plates are respectively arranged on two sides of the bottom of the B-pillar inner main panel relative to the front-rear direction.

[0023] The B-pillar reinforcing plate comprises a B-pillar reinforcing main plate, two B-pillar reinforcing upper connecting plates and two B-pillar reinforcing lower connecting plates, the two B-pillar reinforcing upper connecting plates are respectively arranged on two sides of the top of the B-pillar reinforcing main plate relative to the front-rear direction, and the two B-pillar reinforcing lower connecting plates are respectively arranged on two sides of the bottom of the B-pillar reinforcing main plate relative to the front-rear direction.

[0024] The side of the B column inner main plate along the front-rear direction, the side of the B column reinforcing main plate along the front-rear direction and the side wall outer plate are overlapped and connected, the other side of the B column inner main plate along the front-rear direction is overlapped and connected to the other side of the B column reinforcing main plate along the front-rear direction, the top of the B column inner main plate, the top of the B column reinforcing main plate and the top of the side wall outer plate are overlapped and connected, the bottom of the B column inner main plate, the bottom of the B column reinforcing main plate and the bottom of the side wall outer plate are overlapped and connected, the front end of the side wall middle rib is connected to the side of the B column inner main plate, the B column inner upper connecting plate, the B column reinforcing upper connecting plate and the side wall connecting upper rib are one-to-one corresponding, the B column inner upper connecting plate, the B column reinforcing upper connecting plate and the side wall connecting upper rib are overlapped and connected, the B column inner lower connecting plate, the B column reinforcing lower connecting plate and the side wall connecting lower rib are one-to-one corresponding, the B column inner lower connecting plate, the B column reinforcing lower connecting plate and the side wall connecting lower rib are overlapped and connected.

[0025] Optionally, the side of the side wall outer plate, the roof outer plate along the left-right direction and the top beam along the left-right direction are overlapped at a first top connecting position and connected, the side wall outer plate, the side wall connecting upper rib and the top beam are overlapped at a second top connecting position and connected, and the part of the side wall outer plate and the part of the top beam between the first top connecting position and the second top connecting position form a fifth cavity.

[0026] Optionally, the side wall outer plate, the roof outer plate and the top beam are connected at the first top connecting position by welding, and the side wall outer plate, the side wall connecting upper rib and the top beam are connected at the second top connecting position by a plurality of top connecting bolts arranged along the front-rear direction.

[0027] Optionally, the roof assembly further comprises an upper rear beam extending along the left-right direction, the upper rear beam is arranged at the bottom surface of the rear part of the roof outer plate, the upper rear beam comprises a first rear beam outer plate and a first rear beam inner plate, the first rear beam outer plate and the first rear beam inner plate are in L-shaped structure, the first rear beam outer plate and the first rear beam inner plate form a sixth cavity, the front part of the first rear beam outer plate is overlapped and connected to the top of the first rear beam inner plate, and the rear part of the first rear beam inner plate is overlapped and connected to the bottom of the first rear beam outer plate.

[0028] The bottom assembly further comprises a lower rear beam arranged on the bottom surface of the rear portion of the floor panel, the lower rear beam comprising a second rear beam reinforcement plate, a second rear beam inner panel extending in the left-right direction, and a second rear beam outer panel, the second rear beam inner panel and the second rear beam outer panel being arranged in sequence from front to back, the floor cover being arranged on the top surface of the second rear beam outer panel and the second rear beam inner panel, the floor panel, the second rear beam inner panel and the second rear beam outer panel forming a seventh cavity, the second rear beam reinforcement plate being arranged in the seventh cavity, the bottom of the second rear beam outer panel being arranged on and connected to the bottom of the second rear beam inner panel, the second rear beam reinforcement plate being arranged on and connected to the side surface of the second rear beam outer panel relative to the second rear beam inner panel and the side surface of the second rear beam inner panel relative to the second rear beam outer panel respectively, and the top of the second rear beam inner panel and the top of the second rear beam outer panel being connected to the bottom surface of the floor panel.

[0029] The side assembly further comprises a D-pillar panel assembly arranged on the side surface of the side outer panel relative to the other side assembly and located on one side of the upper rear beam and the lower rear beam in the left-right direction.

[0030] The D-pillar panel assembly comprises a D-pillar inner panel, a D-pillar reinforcement plate and a D-pillar outer panel arranged in sequence from inside to outside, the front top of the D-pillar outer panel being connected to the rear surface of the side outer panel, and the top of the D-pillar outer panel being connected to the side surface of the first rear beam outer panel relative to the left-right direction.

[0031] The D-pillar inner panel comprises a D-pillar inner main panel, a D-pillar inner first upper connecting panel and a D-pillar inner second upper connecting panel, the D-pillar inner first upper connecting panel being arranged on the front top of the D-pillar inner main panel, and the D-pillar inner second upper connecting panel being arranged on the side surface of the top of the D-pillar inner main panel relative to the other side assembly, the front portion of the D-pillar inner first upper connecting panel being arranged on and connected to the rear end of the side connecting upper rib, one end of the D-pillar inner second upper connecting panel relative to the left-right direction being arranged on and connected to one end of the first rear beam inner panel relative to the left-right direction, and the side surface of the D-pillar inner panel being connected to the floor panel.

[0032] The D-pillar reinforcement plate is arranged on and connected to the D-pillar outer panel and the D-pillar inner main panel.

[0033] Optionally, a plurality of bottom connecting bolts are further included.

[0034] The D-pillar reinforcement plate comprises a D-pillar reinforcement main panel, a D-pillar reinforcement first upper connecting panel and a D-pillar reinforcement second upper connecting panel, the D-pillar reinforcement first upper connecting panel being arranged on the front top of the D-pillar reinforcement main panel, and the D-pillar reinforcement second upper connecting panel being arranged on the side surface of the top of the D-pillar reinforcement main panel relative to the other side assembly.

[0035] The D-pillar reinforcing main plate is arranged and connected to the D-pillar outer plate and the D-pillar inner main plate, the front part of the D-pillar reinforcing first upper connecting plate, the front part of the D-pillar inner first upper connecting plate and the rear end of the side wall connecting upper rib are arranged and connected in a superimposed manner, and one end of the D-pillar reinforcing second upper connecting plate relative to the left-right direction, one end of the D-pillar inner second upper connecting plate relative to the left-right direction and one end of the first rear beam inner plate relative to the left-right direction are arranged and connected in a superimposed manner.

[0036] The front part of the bottom of the D-pillar reinforcing main plate, the rear part of the top of the side wall outer plate and the front part of the bottom of the D-pillar inner main plate are arranged and connected in a superimposed manner, and the side relative to the left-right direction of the bottom of the D-pillar reinforcing main plate, the side relative to the left-right direction of the D-pillar inner main plate, the rear part of the second rear beam reinforcing plate and the side relative to the left-right direction of the second rear beam outer plate are arranged and connected in a superimposed manner through the plurality of bottom connecting bolts arranged in the vertical direction.

[0037] Compared with the prior art, the car body has the beneficial effects that:

[0038] In the car body, the two side wall assemblies are arranged in a spaced-apart manner relative to the left-right direction, the roof assembly and the bottom assembly are arranged in a spaced-apart manner from top to bottom between the two side wall assemblies, the four components form a cavity that can accommodate passengers and articles, further, in the side wall assembly, the side wall connecting upper rib, the side wall middle rib and the side wall connecting lower rib are arranged in a spaced-apart manner from top to bottom on the side wall outer plate, a plurality of side wall reinforcing ribs are arranged between the side wall connecting upper rib and the side wall middle rib, the side wall reinforcing ribs are connected to the side wall outer plate, the side wall connecting upper rib and the side wall middle rib, a plurality of side wall reinforcing ribs are arranged between the side wall middle rib and the side wall connecting lower rib, the side wall reinforcing ribs are connected to the side wall outer plate, the side wall middle rib and the side wall connecting lower rib, so that the side wall connecting upper rib, the side wall middle rib and the side wall connecting lower rib form a plurality of closed and connected ring structures on the side wall outer plate, further, in the bottom assembly, the two ends of the plurality of bottom beams arranged on the floor along the left-right direction are connected to the side wall connecting lower ribs of the two side wall assemblies, so that the bottom beams and the side wall connecting lower ribs form a plurality of closed and connected ring structures, further, in the roof assembly, the two ends of the plurality of roof beams arranged on the bottom surface of the roof outer plate along the left-right direction are connected to the side wall connecting upper ribs of the two side wall assemblies, so that the roof beams and the side wall connecting upper ribs form a plurality of closed and connected ring structures, and further, the roof beams, the bottom beams and the side wall reinforcing ribs form a plurality of closed and connected ring structures; in summary, the car body is connected through a plurality of connecting ribs on the side wall outer plate, the roof outer plate and the floor, and forms ring structures on a plurality of planes, which can effectively enhance the strength and rigidity of the car body, so that the car body can effectively resist external force, reduce deformation caused by external force and reduce the probability of damage caused by deformation, so that the car body is stable and safe. BRIEF DESCRIPTION OF DRAWINGS

[0039] Figure 1 is a front view of the side panel of the prior art.

[0040] Figure 2 is a front view of the side panel of the prior art. Figure 1 is a sectional view along Z-Z.

[0041] Figure 3 is a schematic view of the structure of the body of the present application.

[0042] Figure 4 is a schematic view of the structure of the body of the present application.

[0043] Figure 5 is a top view of the body of the present application.

[0044] Figure 6 is a top view of the body of the present application. Figure 5 is a sectional view along A-A.

[0045] Figure 7 is a sectional view along A-A. Figure 6 is a close-up view of part B.

[0046] Figure 8 is a sectional view along A-A. Figure 7 is a sectional view along C-C (only showing the side panel reinforcement and the side panel outer plate).

[0047] Figure 9 is a sectional view along C-C (only showing the side panel reinforcement and the side panel outer plate). Figure 7 is a sectional view along D-D (only showing the side panel middle reinforcement and the side panel outer plate).

[0048] Figure 10 is a sectional view along D-D (only showing the side panel middle reinforcement and the side panel outer plate). Figure 6 is a close-up view of part E.

[0049] Figure 11 is a sectional view along F-F. Figure 10 is a sectional view along F-F.

[0050] Figure 12 is a sectional view along G-G. Figure 10 is a sectional view along G-G.

[0051] Figure 13 is a sectional view along G-G. Figure 6 is a close-up view of part H (view angle changed).

[0052] Figure 14 is a sectional view along I-I. Figure 13 is a sectional view along I-I.

[0053] Figure 15 is a sectional view along J-J. Figure 13 is a sectional view along J-J.

[0054] Figure 16 is a schematic view of the structure at the B-pillar panel assembly.

[0055] Figure 17 Structure diagram of the B-pillar inner panel.

[0056] Figure 18 Structure diagram of the B-pillar reinforcement panel.

[0057] Figure 19 Structure diagram of the Figure 6 Sectional view of K-K.

[0058] Figure 20 Structure diagram of the Figure 6 Sectional view of L-L.

[0059] Figure 21 Structure diagram of the Figure 5 Sectional view of M-M.

[0060] Figure 22 Structure diagram of the D-pillar rocker panel assembly (ignoring roof skin and floor).

[0061] Figure 23 Exploded view of the D-pillar rocker panel assembly.

[0062] Figure 24 Structure diagram of the D-pillar outer panel upper (looking outwards).

[0063] Figure 25 Structure diagram of the D-pillar inner panel upper (looking inwards).

[0064] Figure 26 Structure diagram of the D-pillar reinforcement panel upper (looking inwards).

[0065] Figure 27 Rear view of the D-pillar rocker panel assembly upper position.

[0066] Figure 28 Structure diagram of the Figure 27 Sectional view of N-N.

[0067] Figure 29 Exploded view of the D-pillar rocker panel assembly in another perspective.

[0068] Figure 30 Rear view of the D-pillar rocker panel assembly lower position.

[0069] Figure 31 Structure diagram of the Figure 30 Sectional view of O-O.

[0070] Figure 32 Structure diagram of the Figure 30 Sectional view of P-P.

[0071] Figure 33 Structure diagram of the Figure 32 Close-up view of the Q-section.

[0072] Reference: 1, side wall assembly; 11, side wall outer panel; 111, wheel house cutout; 12, side wall connecting upper bead; 121, first overlapping upper bead plate; 122, second overlapping upper bead plate; 123, first extending upper bead plate; 1231, liquid leakage through hole; 124, second extending upper bead plate; 125, upper bead reinforcing plate; 126, first cavity; 13, side wall connecting lower bead; 131, first vertical lower bead plate; 132, second vertical lower bead plate; 133, horizontal lower bead plate; 14, side wall reinforcing bead; 141, reinforcing arch plate; 142, reinforcing overlapping plate; 143, second cavity; 15, side wall middle bead; 151, arch middle bead plate; 152, overlapping middle bead plate; 16, wheel house connecting bead; 17, side wall overlapping plate; 18, B pillar panel assembly; 181, B pillar inner panel; 1811, B pillar inner main panel; 1812, B pillar inner upper connecting panel; 1813, B pillar inner lower connecting panel; 182, B pillar reinforcing panel; 1821, B pillar reinforcing main panel; 1822, B pillar reinforcing upper connecting panel; 1823, B pillar reinforcing lower connecting panel; 183, fourth cavity; 19, D pillar panel assembly; 191, D pillar inner panel; 1911, D pillar inner main panel; 1912, D pillar inner first upper connecting panel; 1913, D pillar inner second upper connecting panel; 192, D pillar reinforcing panel; 1921, D pillar reinforcing main panel; 1922, D pillar reinforcing first upper connecting panel; 1923, D pillar reinforcing second upper connecting panel; 193, D pillar outer panel; 2, bottom assembly; 21, floor panel; 22, bottom beam; 23, lower rear beam; 231, second rear beam reinforcing panel; 232, second rear beam inner panel; 233, second rear beam outer panel; 234, seventh cavity; 3, roof assembly; 31, roof outer panel; 32, roof beam; 33, upper rear beam; 331, first rear beam outer panel; 332, first rear beam inner panel; 333, sixth cavity; 4, wheel house assembly; 41, wheel house inner panel; 411, wheel house inner overlapping panel; 412, wheel house inner extending panel; 42, wheel house outer panel; 421, first wheel house outer overlapping panel; 422, second wheel house outer overlapping panel; 423, first wheel house outer extending panel; 424, second wheel house outer extending panel; 5, rocker assembly; 51, rocker inner panel; 52, wheel house connecting panel; 53, third cavity; 6, top connecting bolt; 7, bottom connecting bolt; 8, fifth cavity. DETAILED DESCRIPTION

[0073] The specific embodiments of the present application will be further described with reference to the drawings and examples. The following examples are intended to illustrate the present application, but not to limit the scope of the present application.

[0074] In the description of the present application, it should be understood that the terms "top", "bottom", "inner", "outer", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0075] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified.

[0076] As shown in Figures 3 to 33 A vehicle body of the present application includes a roof assembly 3, a floor assembly 2 and two side wall assemblies 1, the two side wall assemblies 1 are oppositely and spacedly arranged along the left-right direction, the roof assembly 3 and the floor assembly 2 are spacedly arranged from top to bottom between the two side wall assemblies 1;

[0077] The side wall assembly 1 includes a side wall outer panel 11, a side wall connecting upper rib 12, a side wall connecting lower rib 13, a side wall middle rib 15 and a plurality of side wall reinforcing ribs 14, the side wall connecting upper rib 12, the side wall middle rib 15, the side wall connecting lower rib 13 and the side wall reinforcing ribs 14 are arranged on the side of the side wall outer panel 11 relative to the other side wall assembly 1, the side wall connecting upper rib 12, the side wall middle rib 15 and the side wall connecting lower rib 13 are sequentially and spacedly arranged from top to bottom, a plurality of the side wall reinforcing ribs 14 are spacedly arranged in the front-rear direction between the side wall connecting upper rib 12 and the side wall middle rib 15, the top end and the bottom end of the side wall reinforcing rib 14 are connected to the side wall connecting upper rib 12 and the side wall middle rib 15 respectively, a plurality of the side wall reinforcing ribs 14 are spacedly arranged in the front-rear direction between the side wall middle rib 15 and the side wall connecting lower rib 13, the top end and the bottom end of the side wall reinforcing rib 14 are connected to the side wall middle rib 15 and the side wall connecting lower rib 13 respectively;

[0078] The floor assembly 2 includes a floor panel 21 and a plurality of floor beams 22, the plurality of floor beams 22 are spacedly arranged in the front-rear direction on the bottom surface of the floor panel 21, the two ends of the floor beam 22 in the left-right direction are connected to the side wall connecting lower rib 13 of the two side wall assemblies 1 respectively;

[0079] The roof assembly 3 comprises a roof outer plate 31 and a plurality of roof beams 32, which are arranged at the bottom surface of the roof outer plate 31 in the front-rear direction, and the two ends of the roof beams 32 in the left-right direction are connected to the side wall connecting upper ribs 12 of the two side wall assemblies 1 respectively.

[0080] In the above technical solution, the two side wall assemblies 1 are arranged in the left-right direction, the roof assembly 3 and the bottom assembly 2 are arranged between the two side wall assemblies 1 from top to bottom, the four components form a cavity for accommodating passengers and articles, further, in the side wall assembly 1, the side wall connecting upper rib 12, the side wall middle rib 15 and the side wall connecting lower rib 13 are arranged in the side wall outer plate 11 from top to bottom, the plurality of side wall reinforcing ribs 14 are arranged between the side wall connecting upper rib 12 and the side wall middle rib 15, the side wall reinforcing rib 14 is connected to the side wall outer plate 11, the side wall connecting upper rib 12 and the side wall middle rib 15, the plurality of side wall reinforcing ribs 14 are arranged between the side wall middle rib 15 and the side wall connecting lower rib 13, the side wall reinforcing rib 14 is connected to the side wall outer plate 11, the side wall middle rib 15 and the side wall connecting lower rib 13, so that the side wall connecting upper rib 12, the side wall middle rib 15 and the side wall connecting lower rib 13 form a plurality of closed and connected ring structures on the side wall outer plate 11, further, in the bottom assembly 2, the plurality of bottom beams 22 arranged on the ground of the floor 21 are connected to the side wall connecting lower rib 13 of the two side wall assemblies 1 in the left-right direction respectively, so that the bottom beam 22 and the side wall connecting lower rib 13 form a plurality of closed and connected ring structures, further, in the roof assembly 3, the plurality of roof beams 32 arranged on the bottom surface of the roof outer plate 31 are connected to the side wall connecting upper rib 12 of the two side wall assemblies 1 in the left-right direction respectively, so that the roof beam 32 and the side wall connecting upper rib 12 form a plurality of closed and connected ring structures, and further, the roof beam 32, the bottom beam 22 and the side wall reinforcing rib 14 form a plurality of closed and connected ring structures; in summary, the vehicle body of the present application is connected by a plurality of connecting ribs on the side wall outer plate 11, the roof outer plate 31 and the floor 21 to form ring structures on a plurality of planes, which can effectively enhance the strength and rigidity of the vehicle body, so that the vehicle body can effectively resist external force, reduce deformation caused by external force and reduce the probability of damage caused by deformation, so that the driving is stable and safe.

[0081] Further, the roof beam 32, the bottom beam 22 and the side wall reinforcing rib 14 of the two side wall assemblies 1 can be correspondingly arranged to make the vehicle body have a better stress structure and improve its strength and rigidity.

[0082] Further, as shown in Figure 4 , 6, 7, 8, 9, 10, 11 and 12, the side wall middle rib 15 comprises an arched middle rib plate 151 and two overlapping middle rib plates 152, the arched middle rib plate 151 is arched away from the side wall outer plate 11, the two overlapping middle rib plates 152 are respectively arranged on both sides of the arched middle rib plate 151 in the vertical direction and connected to the arched middle rib plate 151, the overlapping middle rib plate 152 is connected to the side wall outer plate 11; the side wall connecting upper rib 12 comprises a first overlapping upper rib plate 121, a first extending upper rib plate 123, a second extending upper rib plate 124 and a second overlapping upper rib plate 122 connected in sequence, the side surface of the first overlapping upper rib plate 121 is connected to the side wall outer plate 11, the first extending upper rib plate 123, the second extending upper rib plate 124 and the side wall outer plate 11 form a first cavity 126, the second overlapping upper rib plate 122, the side wall outer plate 11 and the top cover outer plate 31 are overlapped and connected, a plurality of liquid leakage through holes 1231 are arranged in the first extending upper rib plate 123 in the front-rear direction, the side wall connecting upper rib 12 further comprises a plurality of upper rib reinforcing plates 125 corresponding to the liquid leakage through holes 1231 one by one, the upper rib reinforcing plate 125 is arranged on the side surface of the first extending upper rib plate 123 relative to the side wall outer plate 11, and the upper rib reinforcing plate 125 is arranged around the corresponding liquid leakage through hole 1231; the side wall connecting lower rib 13 comprises a first vertical lower rib plate 131, a second vertical lower rib plate 132 and a horizontal lower rib plate 133, the first vertical lower rib plate 131 is arranged on the bottom surface of the horizontal lower rib plate 133 close to the side wall outer plate 11, the second vertical lower rib plate 132 is arranged on the top surface of the horizontal lower rib plate 133 away from the side wall outer plate 11, and the side surface of the second vertical lower rib plate 132 away from the side wall outer plate 11 is connected to the floor 21; the side wall reinforcing rib 14 comprises a reinforcing arched plate 141 and two reinforcing overlapping plates 142, the reinforcing arched plate 141 is arched away from the side wall outer plate 11, the reinforcing arched plate 141 and the side wall outer plate 11 form a second cavity 143, the two reinforcing overlapping plates 142 are respectively arranged on both sides of the reinforcing arched plate 141 in the front-rear direction and connected to the reinforcing arched plate 141, the side surface of the reinforcing overlapping plate 142 is connected to the side wall outer plate 11, the reinforcing overlapping plate 142 is overlapped on the arched middle rib plate 151 and the overlapping middle rib plate 152 and connected to the arched middle rib plate 151 and the overlapping middle rib plate 152, the top surface of the reinforcing overlapping plate 142 of the upper side wall reinforcing rib 14 is connected to the second extending upper rib plate 124, the second cavity 143 of the side wall reinforcing rib 14 is communicated with the first cavity 126, and the bottom surface of the lower side wall reinforcing rib 14 is connected to the top surface of the horizontal lower rib plate 133, and the side surface of the side wall reinforcing rib 14 is connected to the side surface of the second vertical lower rib plate 132 close to the side wall outer plate 11.The shapes and mutual connection relationship of the side wall connecting upper rib 12, side wall connecting lower rib 13, side wall middle rib 15 and multiple side wall reinforcing ribs 14 can effectively enhance the strength and rigidity at the side wall assembly 1, further, the electrophoretic liquid can be discharged through the first cavity 126 and the second cavity 143, the leakage hole 1231 is beneficial to electrophoretic leakage and weight reduction, and can be used as hoisting.

[0083] Further, the upper lap middle rib plate 152 and the side wall outer plate 11 are connected by damping glue, and the lower lap middle rib plate 152 and the side wall outer plate 11 are welded; the side of the first lap upper rib plate 121 is connected to the side wall outer plate 11 by damping glue, and the second lap upper rib plate 122, the side wall outer plate 11 and the top cover outer plate 31 are connected by welding; the top surface of the horizontal lower rib plate 133 is welded to the bottom surface of the lower side wall reinforcing rib 14, and the side surface of the second vertical lower rib plate 132 is welded to the floor 21; the reinforcing lap plate 142 and the side wall outer plate 11 are connected by damping glue, the reinforcing lap plate 142 is welded to the arched middle rib plate 151 and the lap middle rib plate 152, the top surface of the reinforcing lap plate 142 of the upper side wall reinforcing rib 14 is welded to the second extended upper rib plate 124, the bottom surface of the lower side wall reinforcing rib 14 is welded to the top surface of the horizontal lower rib plate 133, and the side surface of the side wall reinforcing rib 14 is welded to the side surface of the second vertical lower rib plate 132 close to the side wall outer plate 11; the damping glue connection can effectively absorb the vibration of the side wall outer plate 11 and will not leave marks affecting the visual effect on the outside of the side wall outer plate 11, further, the outside of the position of the side wall outer plate 11 of the lower lap middle rib plate 152 is provided with other equipment shielding, so the welding connection is used here.

[0084] Further, as Figure 6 , 13As shown in FIGS. 14, the side wall assembly 1 further comprises a wheel house connecting rib 16 arranged on the side of the side wall outer plate 11 opposite to the other side wall assembly 1, the wheel house connecting rib 16 is arranged below the side wall middle rib 15, the top end of the wheel house connecting rib 16 is connected to the side wall middle rib 15, and the wheel house connecting rib 16 is connected to the side wall outer plate 11 relative to the side of the side wall outer plate 11; the side wall assembly 1 further comprises a side wall lap plate 17, the bottom surface of the side wall outer plate 11 is provided with a wheel house notch 111 corresponding to the wheel house connecting rib 16, the side wall lap plate 17 is arranged along the wheel house notch 111 and extends towards the other side wall assembly 1; the vehicle body further comprises two wheel house assemblies 4 corresponding to the side wall assembly 1, the wheel house assembly 4 is arranged corresponding to the wheel house notch 111, the wheel house assembly 4 comprises a wheel house inner plate 41 and a wheel house outer plate 42, the wheel house inner plate 41 comprises a wheel house inner lap plate 411 and a wheel house inner extension plate 412 connected in sequence, the wheel house outer plate 42 comprises a first wheel house outer lap plate 421, a first wheel house outer extension plate 423, a second wheel house outer extension plate 424 and a second wheel house outer lap plate 422 connected in sequence, the wheel house inner lap plate 411, the first wheel house outer lap plate 421 and the wheel house connecting rib 16 are overlapped and connected, the wheel house inner extension plate 412 extends obliquely downward away from the side wall outer plate 11, the wheel house inner extension plate 412 is connected to the floor 21, the first wheel house outer extension plate 423 extends towards the side wall outer plate 11, the second wheel house outer extension plate 424 extends downward, the second wheel house outer lap plate 422 extends away from the side wall outer plate 11, and the bottom surface of the second wheel house outer lap plate 422 is connected to the bottom surface of the side wall lap plate 17; wherein the wheel house inner plate 41 and the wheel house outer plate 42 are used to accommodate wheels, and further, through the above shape and connection relationship, the side wall assembly 1 has good strength and rigidity at the wheel house assembly 4.

[0085] Further, as shown in FIGS. 14, Figure 6 and 15As shown, it also comprises a plurality of rocker assemblies 5, two of which are respectively arranged on both sides of the wheel cover assembly 4 along the front-rear direction, the rocker assembly 5 comprising a rocker inner plate 51 and a wheel cover connecting plate 52, the rocker inner plate 51 being arranged on one side of the side outer plate 11 towards another side wall assembly 1, the rocker inner plate 51 and the side outer plate 11 enclosing a third cavity 53, the wheel cover connecting plate 52 being arranged in the third cavity 53, the top of the rocker inner plate 51, the top of the wheel cover connecting plate 52, the reinforcing arch plate 141 and the floor 21 being overlapped and connected, the top of the rocker inner plate 51, the top of the wheel cover connecting plate 52 and the bottom of the side outer plate 11 being overlapped and connected, one side of the rocker inner plate 51 along the front-rear direction, one side of the wheel cover connecting plate 52 along the front-rear direction and the second wheel cover outer extension plate 424 being overlapped and connected, so as to further improve the strength and rigidity of the side wall assembly 1 at the wheel cover assembly 4.

[0086] Further, as Figures 16 to 20As shown, the side panel assembly 1 further includes a B-pillar panel assembly 18, two upper side panel connecting ribs 12, and two lower side panel connecting ribs 13. The B-pillar panel assembly 18 is disposed on the side of the outer side panel 11 relative to the other side panel assembly 1. The two upper side panel connecting ribs 12 are respectively disposed on both sides of the top of the B-pillar panel assembly 18 along the front-rear direction, and the two lower side panel connecting ribs 13 are respectively disposed on both sides of the bottom of the B-pillar panel assembly 18 along the front-rear direction. The B-pillar panel assembly 18 includes an inner B-pillar panel 181 and a B-pillar reinforcing plate 182. The inner B-pillar panel 181 and the outer side panel 11 form a fourth cavity 183, and the B-pillar reinforcing plate 182 is disposed within the fourth cavity 183. The inner panel 181 includes a B-pillar inner main plate 1811, two B-pillar inner upper connecting plates 1812, and two B-pillar inner lower connecting plates 1813. The two B-pillar inner upper connecting plates 1812 are respectively disposed on the top of the B-pillar inner main plate 1811 on two sides relative to the front-rear direction, and the two B-pillar inner lower connecting plates 1813 are respectively disposed on the bottom of the B-pillar inner main plate 1811 on two sides relative to the front-rear direction. The B-pillar reinforcing plate 182 includes a B-pillar reinforcing main plate 1821, two B-pillar reinforcing upper connecting plates 1822, and two B-pillar reinforcing lower connecting plates 1823. The two B-pillar reinforcing upper connecting plates 1822 are respectively disposed on the top of the B-pillar reinforcing main plate 1821 on two sides relative to the front-rear direction, and the two B-pillar inner lower connecting plates 1813 are respectively disposed on the bottom of the B-pillar inner main plate 1811 on two sides relative to the front-rear direction. The column reinforcement connecting plates 1823 are respectively disposed on the two sides of the bottom of the B-pillar reinforcement main plate 1821 in the front-rear direction; the B-pillar inner main plate 1811, the B-pillar reinforcement main plate 1821, and the side outer plate 11 overlap and connect in the front-rear direction; the other side of the B-pillar inner main plate 1811 overlaps and connects to the other side of the B-pillar reinforcement main plate 1821 in the front-rear direction; the top of the B-pillar inner main plate 1811, the top of the B-pillar reinforcement main plate 1821, and the top of the side outer plate 11 overlap and connect; the bottom of the B-pillar inner main plate 1811, the bottom of the B-pillar reinforcement main plate 1821, and the bottom of the side outer plate 11 overlap and connect. The front end of the side rib 15 is connected to the side of the main plate 1811 inside the B-pillar. The upper connecting plate 1812 inside the B-pillar, the upper reinforcing connecting plate 1822 of the B-pillar, and the upper connecting rib 12 of the side rib are one-to-one. The upper connecting plate 1812 inside the B-pillar, the upper reinforcing connecting plate 1822 of the B-pillar, and the upper connecting rib 12 of the side rib overlap and are connected. The lower connecting plate 1813 inside the B-pillar, the lower reinforcing connecting plate 1823 of the B-pillar, and the lower connecting rib 13 of the side rib are one-to-one. The lower connecting plate 1813 inside the B-pillar, the lower reinforcing connecting plate 1823 of the B-pillar, and the lower connecting rib 13 of the side rib overlap and are connected. This makes the B-pillar assembly form an "I" shaped structure to enhance the strength and rigidity of the side rib assembly 1 at the B-pillar.Further, the B column inner lower connecting plate 1813 and the B column reinforcing lower connecting plate 1823 can also be arranged and connected to the rocker inner plate 51 and the wheelhouse connecting plate 52 to further enhance the strength and rigidity of the lower part of the side wall assembly 1.

[0087] Further, as shown in Figure 21 The side wall outer plate 11, the roof outer plate 31 and the roof beam 32 are arranged and connected at the first top connecting position, the side wall outer plate 11, the side wall connecting upper rib 12 and the roof beam 32 are arranged and connected at the second top connecting position, the parts of the side wall outer plate 11 and the roof beam 32 between the first top connecting position and the second top connecting position form a fifth cavity 8, and the connection strength and rigidity of the roof assembly 3 and the side wall assembly 1 are improved by the mutual arrangement and connection; wherein the first top connecting position is inwardly recessed to form a water channel.

[0088] Further, as shown in Figure 21 Further, as shown in

[0089] Further, as shown in Figures 22 to 33As shown, the roof assembly 3 further comprises an upper rear beam 33 extending along the left-right direction, the upper rear beam 33 being arranged on the bottom surface of the rear portion of the roof outer panel 31, the upper rear beam 33 comprising a first rear beam outer panel 331 and a first rear beam inner panel 332, the first rear beam outer panel 331 and the first rear beam inner panel 332 being in L-shaped structure, the first rear beam outer panel 331 and the first rear beam inner panel 332 enclosing a sixth cavity 333, the front portion of the first rear beam outer panel 331 being arranged on and connected to the top portion of the first rear beam inner panel 332, the rear portion of the first rear beam inner panel 332 being arranged on and connected to the bottom portion of the first rear beam outer panel 331; the bottom assembly 2 further comprises a lower rear beam 23, the lower rear beam 23 being arranged on the bottom surface of the rear portion of the floor panel 21, the lower rear beam 23 comprising a second rear beam reinforcing plate 231, a second rear beam inner panel 232 extending along the left-right direction, and a second rear beam outer panel 233, the second rear beam inner panel 232 and the second rear beam outer panel 233 being arranged in sequence from front to back, the floor panel 21 being arranged on the top surface of the second rear beam outer panel 233 and the second rear beam inner panel 232, the floor panel 21, the second rear beam inner panel 232, and the second rear beam outer panel 233 enclosing a seventh cavity 234, the second rear beam reinforcing plate 231 being arranged in the seventh cavity 234, the bottom portion of the second rear beam outer panel 233 being arranged on and connected to the bottom portion of the second rear beam inner panel 232, the second rear beam reinforcing plate 231 being arranged on and connected to the side surface of the second rear beam outer panel 233 relative to the second rear beam inner panel 232 and the side surface of the second rear beam inner panel 232 relative to the second rear beam outer panel 233 respectively, the top portion of the second rear beam inner panel 232 and the top portion of the second rear beam outer panel 233 being connected to the bottom surface of the floor panel 21; the side assembly 1 further comprises a D-pillar panel assembly 19, the D-pillar panel assembly 19 being arranged on the side surface of the side assembly 1 relative to the other side assembly 1, located on one side of the upper rear beam 33 and the lower rear beam 23 along the left-right direction; the D-pillar panel assembly 19 comprises a D-pillar inner panel 191, a D-pillar reinforcing plate 192, and a D-pillar outer panel 193 arranged in sequence from inside to outside, the front portion of the top portion of the D-pillar outer panel 193 being connected to the rear portion of the side outer panel 11, the top portion of the D-pillar outer panel 193 being connected to the side surface of the first rear beam outer panel 331 relative to the left-right direction, relative to the side surface of the other side assembly 1.The D-pillar inner plate 191 comprises a D-pillar inner main plate 1911, a D-pillar inner first upper connecting plate 1912 and a D-pillar inner second upper connecting plate 1913. The D-pillar inner first upper connecting plate 1912 is arranged at the front of the top of the D-pillar inner main plate 1911, and the D-pillar inner second upper connecting plate 1913 is arranged at the side of the top of the D-pillar inner main plate 1911 relative to the other side wall assembly 1. The front of the D-pillar inner first upper connecting plate 1912 is overlapped and connected to the rear end of the side wall connecting upper rib 12, and the one end of the D-pillar inner second upper connecting plate 1913 relative to the left-right direction is overlapped and connected to the one end of the first rear beam inner plate 332 relative to the left-right direction. The side of the D-pillar inner plate 191 is connected to the floor 21. The D-pillar reinforcing plate 192 is overlapped and connected to the D-pillar outer plate 193 and the D-pillar inner main plate 1911. The above structure and connection relationship make the D-pillar trim assembly 19, the upper rear beam 33 and the lower rear beam 23 form a closed ring structure, so as to have better strength and rigidity.

[0090] Further, as shown in Figures 22 to 33 the D-pillar reinforcing plate 192 comprises a D-pillar reinforcing main plate 1921, a D-pillar reinforcing first upper connecting plate 1922 and a D-pillar reinforcing second upper connecting plate 1923. The D-pillar reinforcing first upper connecting plate 1922 is arranged at the front of the top of the D-pillar reinforcing main plate 1921, and the D-pillar reinforcing second upper connecting plate 1923 is arranged at the side of the top of the D-pillar reinforcing main plate 1921 relative to the other side wall assembly 1. The D-pillar reinforcing main plate 1921 is overlapped and connected to the D-pillar outer plate 193 and the D-pillar inner main plate 1911. The front of the D-pillar reinforcing first upper connecting plate 1922, the front of the D-pillar inner first upper connecting plate 1912 and the rear end of the side wall connecting upper rib 12 are overlapped and connected. The one end of the D-pillar reinforcing second upper connecting plate 1923 relative to the left-right direction, the one end of the D-pillar inner second upper connecting plate 1913 relative to the left-right direction and the one end of the first rear beam inner plate 332 relative to the left-right direction are overlapped and connected. The front of the bottom of the D-pillar reinforcing main plate 1921, the rear of the top of the side wall outer plate 11 and the front of the bottom of the D-pillar inner main plate 1911 are overlapped and connected. The side of the bottom of the D-pillar reinforcing main plate 1921 relative to the left-right direction, the side of the D-pillar inner main plate 1911 relative to the left-right direction, the rear of the second rear beam reinforcing plate 231 and the side of the second rear beam outer plate 233 relative to the left-right direction are overlapped and connected through the plurality of bottom connecting bolts 7 arranged in the vertical direction. Through the above structure and connection relationship, the upper part and the lower part of the D-pillar inner plate 191 and the upper part and the lower part of the D-pillar reinforcing plate 192 all form a three-way connecting structure, so as to further increase the connecting strength and rigidity of the top end and the bottom end of the D-pillar trim assembly 19.

[0091] Further, the specific connection mode of the fixed setting and the fixed connection refers to the relative position relationship between the two components that can be fixed, including fixing through a connecting piece, fixing through welding, fixing through an adhesive, fixing through one-piece forming, and fixing through a buckle connection.

[0092] Further, the specific connection mode of the detachable connection refers to the repeated and multiple disassembly and assembly between the two components without damage or severe deformation, including fixing through a connecting piece and fixing through a buckle connection.

[0093] Further, the connecting piece includes a fastener, a strap, a binding rope, a pneumatic connecting element, a hydraulic connecting element, a flange plate, a magic tape, and a button.

[0094] In summary, the embodiment of the present application provides a vehicle body, and the technical effect is:

[0095] In the vehicle body of the present application, the two side wall assemblies 1 are arranged in a relative and spaced manner along the left-right direction, the roof assembly 3 and the bottom assembly 2 are arranged in a spaced manner from top to bottom between the two side wall assemblies 1, and the four components form a cavity that can accommodate passengers and articles. Further, in the side wall assembly 1, the side wall connecting upper rib 12, the side wall middle rib 15, and the side wall connecting lower rib 13 are arranged in a spaced manner from top to bottom on the side wall outer plate 11, a plurality of side wall reinforcing ribs 14 are arranged between the side wall connecting upper rib 12 and the side wall middle rib 15, the side wall reinforcing rib 14 is connected to the side wall outer plate 11, the side wall connecting upper rib 12, and the side wall middle rib 15, a plurality of side wall reinforcing ribs 14 are arranged between the side wall middle rib 15 and the side wall connecting lower rib 13, the side wall reinforcing rib 14 is connected to the side wall outer plate 11, the side wall middle rib 15, and the side wall connecting lower rib 13, so that the side wall connecting upper rib 12, the side wall middle rib 15, and the side wall connecting lower rib 13 form a plurality of closed and connected ring structures on the side wall outer plate 11. Further, in the bottom assembly 2, the plurality of bottom beams 22 arranged on the ground of the floor 21 are connected to the side wall connecting lower rib 13 of the two side wall assemblies 1 along the left-right direction, so that the bottom beam 22 and the side wall connecting lower rib 13 form a plurality of closed and connected ring structures. Further, in the roof assembly 3, the plurality of roof beams 32 arranged on the bottom surface of the roof outer plate 31 are connected to the side wall connecting upper rib 12 of the two side wall assemblies 1 along the left-right direction, so that the roof beam 32 and the side wall connecting upper rib 12 form a plurality of closed and connected ring structures. Further, the roof beam 32, the bottom beam 22, and the side wall reinforcing rib 14 form a plurality of closed and connected ring structures. In summary, the vehicle body of the present application is connected through a plurality of connecting ribs on the side wall outer plate 11, the roof outer plate 31, and the floor 21 to form ring structures on a plurality of planes. These ring structures can effectively enhance the strength and rigidity of the vehicle body, so that the vehicle body can effectively resist external forces, reduce deformation caused by external forces, and reduce the probability of damage caused by deformation, so that the vehicle runs smoothly and safely.

[0096] The above merely describes the preferred embodiments of the present application, and it should be pointed out that, for those skilled in the art, several improvements and replacements can be made without departing from the technical principles of the present application, and these improvements and replacements should also be considered as the protection scope of the present application.

Claims

1. A vehicle body, characterized by, The side wall assembly (1) comprises a side wall outer plate (11), a side wall connecting upper rib (12), a side wall connecting lower rib (13), a side wall middle rib (15) and a plurality of side wall reinforcing ribs (14), the side wall connecting upper rib (12), the side wall middle rib (15), the side wall connecting lower rib (13) and the side wall reinforcing ribs (14) are arranged on the side of the side wall outer plate (11) relative to the other side wall assembly (1), the side wall connecting upper rib (12), the side wall middle rib (15) and the side wall connecting lower rib (13) are sequentially and spacedly arranged from top to bottom, a plurality of the side wall reinforcing ribs (14) are spacedly arranged in the front-rear direction between the side wall connecting upper rib (12) and the side wall middle rib (15), the top end and the bottom end of the side wall reinforcing rib (14) are connected to the side wall connecting upper rib (12) and the side wall middle rib (15) respectively, a plurality of the side wall reinforcing ribs (14) are spacedly arranged in the front-rear direction between the side wall middle rib (15) and the side wall connecting lower rib (13), the top end and the bottom end of the side wall reinforcing rib (14) are connected to the side wall middle rib (15) and the side wall connecting lower rib (13) respectively; The bottom assembly (2) comprises a floor (21) and a plurality of bottom beams (22), a plurality of the bottom beams (22) are spacedly arranged in the front-rear direction on the bottom surface of the floor (21), the bottom beams (22) are connected to the side wall connecting lower ribs (13) of the two side wall assemblies (1) respectively at both ends in the left-right direction; The roof assembly (3) comprises a roof outer plate (31) and a plurality of roof beams (32), a plurality of the roof beams (32) are spacedly arranged in the front-rear direction on the bottom surface of the roof outer plate (31), the roof beams (32) are connected to the side wall connecting upper ribs (12) of the two side wall assemblies (1) respectively at both ends in the left-right direction; The side wall middle rib (15) comprises an arched middle rib plate (151) and two lapping middle rib plates (152), the arched middle rib plate (151) is arched away from the side wall outer plate (11), the two lapping middle rib plates (152) are arranged on both sides of the arched middle rib plate (151) in the vertical direction respectively and connected to the arched middle rib plate (151), the lapping middle rib plate (152) is connected to the side wall outer plate (11); ​ The side wall connecting upper bead (12) comprises sequentially connected first lap upper bead plate (121), first extension upper bead plate (123), second extension upper bead plate (124) and second lap upper bead plate (122), the side of the first lap upper bead plate (121) is connected to the side wall outer plate (11), the first extension upper bead plate (123), the second extension upper bead plate (124) and the side wall outer plate (11) enclose a first cavity (126), the second lap upper bead plate (122), the side wall outer plate (11) and the roof outer plate (31) are overlapped and connected, the first extension upper bead plate (123) is provided with a plurality of liquid leakage through holes (1231) in the front-rear direction, the side wall connecting upper bead (12) further comprises a plurality of upper bead reinforcing plates (125) corresponding to the liquid leakage through holes (1231) one by one, the upper bead reinforcing plate (125) is arranged on the side of the first extension upper bead plate (123) relative to the side wall outer plate (11), and the upper bead reinforcing plate (125) is arranged around the corresponding liquid leakage through hole (1231). The side wall connecting lower bead (13) comprises a first vertical lower bead plate (131), a second vertical lower bead plate (132) and a horizontal lower bead plate (133), the first vertical lower bead plate (131) is arranged on the bottom surface of the horizontal lower bead plate (133) close to the side wall outer plate (11), the second vertical lower bead plate (132) is arranged on the top surface of the horizontal lower bead plate (133) away from the side wall outer plate (11), and the side of the second vertical lower bead plate (132) away from the side wall outer plate (11) is connected to the floor (21).

2. The vehicle body according to claim 1, characterized in that: The side wall reinforcing bead (14) comprises a reinforcing arch plate (141) and two reinforcing lap plates (142), the reinforcing arch plate (141) is arched away from the side wall outer plate (11), the reinforcing arch plate (141) and the side wall outer plate (11) enclose a second cavity (143), the two reinforcing lap plates (142) are arranged on the two sides of the reinforcing arch plate (141) in the front-rear direction respectively and are connected to the reinforcing arch plate (141), the side of the reinforcing lap plate (142) is connected to the side wall outer plate (11), the reinforcing lap plate (142) is overlapped on and connected to the arching middle bead plate (151) and the lap middle bead plate (152), the top surface of the reinforcing lap plate (142) of the upper side wall reinforcing bead (14) is connected to the second extension upper bead plate (124), the second cavity (143) of the side wall reinforcing bead (14) is communicated with the first cavity (126), the bottom surface of the lower side wall reinforcing bead (14) is connected to the top surface of the horizontal lower bead plate (133), and the side of the side wall reinforcing bead (14) is connected to the side of the second vertical lower bead plate (132) close to the side wall outer plate (11).

3. The vehicle body of claim 2, wherein, The upper overlapping middle rib plate (152) and the side outer plate (11) are connected by damping glue, and the lower overlapping middle rib plate (152) and the side outer plate (11) are welded; The side of the first overlapping upper rib plate (121) is connected to the side outer plate (11) by damping glue, and the second overlapping upper rib plate (122), the side outer plate (11) and the top cover outer plate (31) are connected by welding; The top surface of the horizontal lower rib plate (133) is welded to the bottom surface of the lower side reinforcing rib (14), and the side surface of the second vertical lower rib plate (132) is welded to the floor (21); The reinforcing overlapping plate (142) and the side outer plate (11) are connected by damping glue, the reinforcing overlapping plate (142) is welded to the arching middle rib plate (151) and the overlapping middle rib plate (152), the top surface of the reinforcing overlapping plate (142) of the upper side reinforcing rib (14) is welded to the second extending upper rib plate (124), the bottom surface of the lower side reinforcing rib (14) is welded to the top surface of the horizontal lower rib plate (133), and the side surface of the side reinforcing rib (14) is welded to the side surface of the second vertical lower rib plate (132) close to the side outer plate (11).

4. The vehicle body of claim 2, wherein, The side assembly (1) further comprises a wheel cover connecting rib (16) arranged on the side surface of the side outer plate (11) relative to another side assembly (1), the wheel cover connecting rib (16) is located below the side middle rib (15), the top end of the wheel cover connecting rib (16) is connected to the side middle rib (15), and the wheel cover connecting rib (16) is connected to the side outer plate (11) relative to the side surface of the side outer plate (11); The side assembly (1) further comprises a side overlapping plate (17), the bottom surface of the side outer plate (11) is provided with a wheel cover notch (111) corresponding to the wheel cover connecting rib (16), the side overlapping plate (17) is arranged along the wheel cover notch (111) and extends towards another side assembly (1); The vehicle body further comprises two wheelhouse assemblies (4) corresponding to the side wall assemblies (1) one by one, the wheelhouse assemblies (4) are arranged corresponding to the wheelhouse notches (111), the wheelhouse assemblies (4) comprise wheelhouse inner plates (41) and wheelhouse outer plates (42), the wheelhouse inner plates (41) comprise wheelhouse inner lap plates (411) and wheelhouse inner extension plates (412) connected in sequence, the wheelhouse outer plates (42) comprise first wheelhouse outer lap plates (421), first wheelhouse outer extension plates (423), second wheelhouse outer extension plates (424) and second wheelhouse outer lap plates (422) connected in sequence, the wheelhouse inner lap plates (411), the first wheelhouse outer lap plates (421) and the wheelhouse connecting ribs (16) are overlapped and connected, the wheelhouse inner extension plates (412) extend obliquely downward away from the side wall outer plates (11), the wheelhouse inner extension plates (412) are connected to the floors (21), the first wheelhouse outer extension plates (423) extend toward the side wall outer plates (11), the second wheelhouse outer extension plates (424) extend downward, the second wheelhouse outer lap plates (422) extend away from the side wall outer plates (11), bottom surfaces of the second wheelhouse outer lap plates (422) are connected to bottom surfaces of the side wall lap plates (17).

5. The vehicle body of claim 4, wherein, Further comprising a plurality of rocker assemblies (5), two of the rocker assemblies (5) are arranged on two sides of the wheelhouse assemblies (4) in the front-rear direction, the rocker assemblies (5) comprise rocker inner plates (51) and wheelhouse connecting plates (52), the rocker inner plates (51) are arranged on one side of the side wall outer plates (11) facing the other side wall assembly (1), the rocker inner plates (51) and the side wall outer plates (11) enclose third cavities (53), the wheelhouse connecting plates (52) are arranged in the third cavities (53), top portions of the rocker inner plates (51), top portions of the wheelhouse connecting plates (52), the reinforcing arch plates (141) and the floors (21) are overlapped and connected, top portions of the rocker inner plates (51), top portions of the wheelhouse connecting plates (52) and bottom portions of the side wall outer plates (11) are overlapped and connected, one side of the rocker inner plates (51) in the front-rear direction, one side of the wheelhouse connecting plates (52) in the front-rear direction and the second wheelhouse outer extension plates (424) are overlapped and connected.

6. The vehicle body of claim 1, wherein, The side wall assemblies (1) further comprise B-pillar wall assemblies (18), two side wall connecting upper ribs (12) and two side wall connecting lower ribs (13), the B-pillar wall assemblies (18) are arranged on the side surfaces of the side wall outer plates (11) relative to the other side wall assemblies (1), the two side wall connecting upper ribs (12) are arranged on two sides of top portions of the B-pillar wall assemblies (18) in the front-rear direction respectively, the two side wall connecting lower ribs (13) are arranged on two sides of bottom portions of the B-pillar wall assemblies (18) in the front-rear direction respectively. The B-pillar coaming assembly (18) comprises a B-pillar inner panel (181) and a B-pillar reinforcing panel (182), the B-pillar inner panel (181) and the side outer panel (11) form a fourth cavity (183), the B-pillar reinforcing panel (182) is arranged in the fourth cavity (183); The B-pillar inner panel (181) comprises a B-pillar inner main panel (1811), two B-pillar inner upper connecting panels (1812) and two B-pillar inner lower connecting panels (1813), the two B-pillar inner upper connecting panels (1812) are respectively arranged on the two sides of the top of the B-pillar inner main panel (1811) relative to the front-rear direction, and the two B-pillar inner lower connecting panels (1813) are respectively arranged on the two sides of the bottom of the B-pillar inner main panel (1811) relative to the front-rear direction; The B-pillar reinforcing panel (182) comprises a B-pillar reinforcing main panel (1821), two B-pillar reinforcing upper connecting panels (1822) and two B-pillar reinforcing lower connecting panels (1823), the two B-pillar reinforcing upper connecting panels (1822) are respectively arranged on the two sides of the top of the B-pillar reinforcing main panel (1821) relative to the front-rear direction, and the two B-pillar reinforcing lower connecting panels (1823) are respectively arranged on the two sides of the bottom of the B-pillar reinforcing main panel (1821) relative to the front-rear direction; The B-pillar inner main panel (1811) is connected to the B-pillar reinforcing main panel (1821) and the side outer panel (11) along one side of the front-rear direction, the other side of the B-pillar inner main panel (1811) is connected to the other side of the B-pillar reinforcing main panel (1821) along the front-rear direction, the top of the B-pillar inner main panel (1811), the top of the B-pillar reinforcing main panel (1821) and the top of the side outer panel (11) are connected, the bottom of the B-pillar inner main panel (1811), the bottom of the B-pillar reinforcing main panel (1821) and the bottom of the side outer panel (11) are connected, the front end of the side middle rib (15) is connected to the side of the B-pillar inner main panel (1811), the B-pillar inner upper connecting panel (1812), the B-pillar reinforcing upper connecting panel (1822) and the side connecting upper rib (12) are one-to-one corresponding, the B-pillar inner upper connecting panel (1812), the B-pillar reinforcing upper connecting panel (1822) and the side connecting upper rib (12) are connected, the B-pillar inner lower connecting panel (1813), the B-pillar reinforcing lower connecting panel (1823) and the side connecting lower rib (13) are one-to-one corresponding, the B-pillar inner lower connecting panel (1813), the B-pillar reinforcing lower connecting panel (1823) and the side connecting lower rib (13) are connected.

7. The vehicle body of claim 1, wherein, The side outer plate (11), the roof outer plate (31) and the roof beam (32) are connected at the first roof connecting portion by welding, and the side outer plate (11), the side connecting upper rib (12) and the roof beam (32) are connected at the second roof connecting portion by the plurality of roof connecting bolts (6) arranged in the front-rear direction.

8. The vehicle body of claim 7, wherein, The side outer plate (11), the roof outer plate (31) and the roof beam (32) are connected at the first roof connecting portion by welding, and the side outer plate (11), the side connecting upper rib (12) and the roof beam (32) are connected at the second roof connecting portion by the plurality of roof connecting bolts (6) arranged in the front-rear direction.

9. The vehicle body according to claim 1, wherein: The roof assembly (3) further comprises an upper rear beam (33) extending in the left-right direction, the upper rear beam (33) is arranged on the bottom surface of the rear portion of the roof outer plate (31), the upper rear beam (33) comprises a first rear beam outer plate (331) and a first rear beam inner plate (332), the first rear beam outer plate (331) and the first rear beam inner plate (332) are in L-shaped structure, the first rear beam outer plate (331) and the first rear beam inner plate (332) enclose a sixth cavity (333), the front portion of the first rear beam outer plate (331) is arranged on and connected to the top portion of the first rear beam inner plate (332), and the rear portion of the first rear beam inner plate (332) is arranged on and connected to the bottom portion of the first rear beam outer plate (331); The bottom assembly (2) further comprises a lower rear beam (23), the lower rear beam (23) is arranged on the bottom surface of the rear portion of the floor (21), the lower rear beam (23) comprises a second rear beam reinforcing plate (231), a second rear beam inner plate (232) extending in the left-right direction and a second rear beam outer plate (233), the second rear beam inner plate (232) and the second rear beam outer plate (233) are arranged in sequence from front to rear, the floor (21) is arranged on the top surface of the second rear beam outer plate (233) and the second rear beam inner plate (232), the floor (21), the second rear beam inner plate (232) and the second rear beam outer plate (233) enclose a seventh cavity (234), the second rear beam reinforcing plate (231) is arranged in the seventh cavity (234), the bottom portion of the second rear beam outer plate (233) is arranged on and connected to the bottom portion of the second rear beam inner plate (232), the second rear beam reinforcing plate (231) is arranged on and connected to the side surface of the second rear beam outer plate (233) relative to the second rear beam inner plate (232) and the side surface of the second rear beam inner plate (232) relative to the second rear beam outer plate (233) respectively, and the top portion of the second rear beam inner plate (232) and the top portion of the second rear beam outer plate (233) are connected to the bottom surface of the floor (21). The side wall assembly (1) further comprises a D-pillar capping assembly (19) arranged on the side of the side wall outer panel (11) relative to the other side wall assembly (1) on one side of the upper rear beam (33) and the lower rear beam (23) in the left-right direction; The D-pillar capping assembly (19) comprises a D-pillar inner panel (191), a D-pillar reinforcing panel (192) and a D-pillar outer panel (193) arranged in sequence from inside to outside, the top of the D-pillar outer panel (193) is connected to the rear of the side wall outer panel (11) in front, and the top of the D-pillar outer panel (193) is connected to the side of the first rear beam outer panel (331) relative to the left-right direction; The D-pillar inner panel (191) comprises a D-pillar inner main panel (1911), a D-pillar inner first upper connecting panel (1912) and a D-pillar inner second upper connecting panel (1913), the D-pillar inner first upper connecting panel (1912) is arranged on the front of the top of the D-pillar inner main panel (1911), the D-pillar inner second upper connecting panel (1913) is arranged on the side of the top of the D-pillar inner main panel (1911) relative to the other side wall assembly (1), the front of the D-pillar inner first upper connecting panel (1912) is overlapped and connected to the rear end of the side wall connecting upper rib (12), one end of the D-pillar inner second upper connecting panel (1913) relative to the left-right direction is overlapped and connected to one end of the first rear beam inner panel (332) relative to the left-right direction, and the side of the D-pillar inner panel (191) is connected to the floor (21); The D-pillar reinforcing panel (192) is overlapped and connected to the D-pillar outer panel (193) and the D-pillar inner main panel (1911).

10. The vehicle body of claim 9, wherein, Further comprising a plurality of bottom connecting bolts (7); The D-pillar reinforcing panel (192) comprises a D-pillar reinforcing main panel (1921), a D-pillar reinforcing first upper connecting panel (1922) and a D-pillar reinforcing second upper connecting panel (1923), the D-pillar reinforcing first upper connecting panel (1922) is arranged on the front of the top of the D-pillar reinforcing main panel (1921), and the D-pillar reinforcing second upper connecting panel (1923) is arranged on the side of the top of the D-pillar reinforcing main panel (1921) relative to the other side wall assembly (1); The D-pillar reinforcing main panel (1921) is overlapped and connected to the D-pillar outer panel (193) and the D-pillar inner main panel (1911), the front of the D-pillar reinforcing first upper connecting panel (1922), the front of the D-pillar inner first upper connecting panel (1912) and the rear end of the side wall connecting upper rib (12) are overlapped and connected, and one end of the D-pillar reinforcing second upper connecting panel (1923) relative to the left-right direction, one end of the D-pillar inner second upper connecting panel (1913) relative to the left-right direction and one end of the first rear beam inner panel (332) relative to the left-right direction are overlapped and connected; The front of the bottom of the D-pillar reinforcement main plate (1921), the rear of the top of the side outer plate (11), and the front of the bottom of the D-pillar inner main plate (1911) are overlapped and connected, and the side surface of the bottom of the D-pillar reinforcement main plate (1921) with respect to the left-right direction, the side surface of the D-pillar inner main plate (1911) with respect to the left-right direction, the rear of the second rear beam reinforcement plate (231), and the side surface of the second rear beam outer plate (233) with respect to the left-right direction are overlapped and connected by the plurality of bottom connecting bolts (7) arranged at intervals in the vertical direction.

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